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Related Experiment Video

Updated: Jul 6, 2026

Experimental Methods to Study Human Postural Control

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

Compensatory postural adaptations during continuous, variable amplitude perturbations reveal generalized rather than

K Van Ooteghem¹, J S Frank, F Allard

¹Department of Kinesiology, University of Waterloo, Waterloo, ON, Canada. kvanoote@uwaterloo.ca

Experimental Brain Research

|March 11, 2008

Summary

This summary is machine-generated.

This study on postural control found that continuous balance training improves body stabilization and coordination. Improvements generalized across different movement patterns, suggesting adaptation to general motion features, not specific sequences.

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Last Updated: Jul 6, 2026

Experimental Methods to Study Human Postural Control

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings

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Published on: July 26, 2022

The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task

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Published on: May 3, 2018

Area of Science:

Neuroscience
Biomechanics
Motor Control

Background:

Postural control is crucial for maintaining balance during dynamic movements.
Understanding how the central nervous system adapts to unpredictable balance challenges is essential for rehabilitation and training.
Implicit sequence learning may play a role in refining motor responses to perturbations.

Purpose of the Study:

To investigate changes in motor organization of postural control during continuous, variable amplitude oscillations.
To determine if these adaptations reflect implicit sequence learning.
To examine the generalizability of improved compensatory balance control with training.

Main Methods:

Participants experienced platform oscillations with random amplitudes and constant frequency.
A specific segment of oscillations was repeated across trials to test for sequence learning.
Kinematic data analyzed total body center of mass (COM) displacement and joint coordination.

Main Results:

Participants reduced COM displacement magnitude and shifted from a COM phase lag to a phase lead.
A transition from an ankle strategy to a multi-segment (ankle and hip) control strategy was observed.
Improvements in balance control were maintained across days and generalized to non-repeated segments, indicating adaptation to general motion features.

Conclusions:

Continuous exposure to variable postural perturbations leads to adaptive changes in motor control strategies.
The nervous system adapts to general features of motion rather than exploiting specific sequences for improved balance.
Findings highlight the generalizability of improved compensatory balance control through training.